Messages in this thread |  | | Date | Thu, 29 May 2003 14:36:24 -0700 | From | David Hinds <> | Subject | Re: [CHECKER] pcmcia user-pointer dereference |
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On Thu, May 29, 2003 at 04:30:54PM -0500, Hollis Blanchard wrote: > > That's true for pcmcia_get_mem_page. However pcmcia_map_mem_page writes > into the structure it verifies. I think pcmcia_get_first/next_window > could also be used to corrupt memory (*handle = win in > pcmcia_get_window).
The map_mem_page ioctl can only be used by root. The get_*_window ioctl's can't corrupt anything because they, like get_mem_page, only read the target data structures.
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